
101020872 · Seeed Studio

The Grove - 12 Key Capacitive I2C Touch Sensor V3 (MPR121) is a multichannel proximity capacitive touch sensor. It's a 3-in-1 module with the following features: Capacitance Sensing, Touch Sensing, and Proximity Sensing. (Seeed SKU 101020872)
| Part number | 101020872 |
|---|---|
| Manufacturer | Seeed Studio |
| Category | Sensors › Touch & Gesture |
| Pins | 4 |
Grove - 12 Key Capacitive I2C Touch Sensor V3 (MPR121) pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | SCL | input | |
| 2 | SDA | bidirectional | |
| 3 | VCC | power | |
| 4 | GND | ground |
Schematic symbol and footprint
Schematic symbol
Footprint: Grove HY2.0 4-pin through-hole, 2.0 mm pitch — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
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